$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mesa /var/lib/mock/dist-an7-updates-build-49549-22400/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an7-updates-build-49549-22400/root/chroot_tmpdir/scmroot/mesa'...
$ git reset --hard origin/a7
HEAD is now at 6cdc5cd update to mesa-18.3.4-10.el7.src.rpm